In what year was the PESO model first introduced?

The PESO model, which stands for Paid, Earned, Shared, and Owned media, was first introduced in 2014 by Gini Dietrich in her book "Spin Sucks." This model provides a framework for understanding how various types of media can work together in a cohesive public relations strategy. By integrating these four elements, PR professionals can create more comprehensive and effective campaigns that maximize their reach and impact. The introduction of the PESO model represented a significant advancement in public relations theory, reflecting the evolving landscape of communication and media in the digital age.